152 Characteristic

General description of the 152 cm telescope


Optical configuration   : Ritchey-Chretien
Mount Type              : English
Total weight            : 9000 Kg
Main concave mirror     : total diameter          152.4  cm
                        : useful diameter         150.0  cm 
                        : focal ratio             F/3
Secondary mirror        : total diameter          58.0 cm
                        : useful diameter         55.5 cm
Mirror distance         : 308.7 cm
Cassegrain Focus        : equivalent focal length 1200 cm
                        : equivalent focal ratio  F/8
                        : scale                   17"/mm
                        : useful corrected field  70'